linux-kernel - Re: [PATCH 0/4] sched/fair: Improve fairness between cfs tasks

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Date:   Mon, 14 Sep 2020 18:03:23 +0200
From:   Vincent Guittot <vincent.guittot@...aro.org>
To:     Phil Auld <pauld@...hat.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Valentin Schneider <valentin.schneider@....com>
Subject: Re: [PATCH 0/4] sched/fair: Improve fairness between cfs tasks

On Mon, 14 Sep 2020 at 14:53, Phil Auld <pauld@...hat.com> wrote:
>
> On Mon, Sep 14, 2020 at 01:42:02PM +0200 peterz@...radead.org wrote:
> > On Mon, Sep 14, 2020 at 12:03:36PM +0200, Vincent Guittot wrote:
> > > Vincent Guittot (4):
> > >   sched/fair: relax constraint on task's load during load balance
> > >   sched/fair: reduce minimal imbalance threshold
> > >   sched/fair: minimize concurrent LBs between domain level
> > >   sched/fair: reduce busy load balance interval
> >
> > I see nothing objectionable there, a little more testing can't hurt, but
> > I'm tempted to apply them.
> >
> > Phil, Mel, any chance you can run them through your respective setups?
> >
>
> Yep. I'll try to get something started today, results in a few days.

Thanks Phil

>
> These look pretty inocuous. It'll be interesting to see the effect is.
>
>
> Cheers,
> Phil
> --
>